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Interaction between in situ stress states and tectonic faults:A comment

International Journal of Minerals,Metallurgy and Materials 2023年第7期30卷 1227-1243页

作者： Peng Li Meifeng Cai mostafa gorjian Fenhua Ren Xun Xi Peitao Wang Beijing Key Laboratory of Urban Underground Space Engineering University of Science and Technology BeijingBeijing 100083China Key Laboratory of High-Efficient Mining and Safety of Metal Mines(Ministry of Education of China) University of Science and Technology BeijingBeijing 100083China Geological Engineering Department of EarthOcean and Atmospheric SciencesUniversity of British ColumbiaVancouverBCCanada

Understanding the in situ stress state is crucial in many engineering problems and earth science *** present article presents new insights into the interaction mechanism between the stress state and *** situ stresses can be influenced by various factors,one of the most important being the existence of faults.A fault could significantly affect the value and direction of the stress *** and magnitude changes in stresses exist adjacent to faults and stress jumps/discontinuities across the *** contrast,the change in the stress state may lead to the transformation of faulting type and potential fault *** fault reactivation assessment using characteristic parameters under the current stress environment provides a method to assess the slip tendency of *** correlation between in situ stresses and fault properties enhances the ability to predict the fault slip tendency via stress measurements,which can be used to further refine the assessment of the fault reactivation *** the future,stress measurements at greater depths and long-term continuous real-time stress monitoring near/on key parts of faults will be *** addition,much attention needs to be paid to distinguishing the genetic mechanisms of abnormal stress states and the type and scale of stress variations and exploring the mechanisms of pre-faulting anomaly and fault reactivation.

关键词： in situ stress state stress variation fault reactivation fault properties interaction mechanism

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Mechanism,prevention,and control of mining-induced dynamic disasters in underground metal mines in China:Challenges and solutions

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Journal of Central South University 2024年第8期31卷 2549-2606页

作者： LI Peng CAI Mei-feng MIAO Sheng-jun REN Fen-hua gorjian mostafa PENG Chao Key Laboratory of Ministry of Education for Efficient Mining and Safety of Metal Mines University of Science and Technology BeijingBeijing 100083China Department of Earth Ocean and Atmospheric SciencesUniversity of British ColumbiaVancouverBCCanada Deep Mining Laboratory of Shandong Gold Group Co. Ltd.Laizhou 261442China

Metal mineral resources play an indispensable role in the development of the national *** disasters in underground metal mines seriously threaten mining safety,which are major scientific and technological problems to be solved *** this article,the occurrence status and grand challenges of some typical dynamic disasters involving roof falling,spalling,collapse,large deformation,rockburst,surface subsidence,and water inrush in metal mines in China are systematically presented,the characteristics of mining-induced dynamic disasters are analyzed,the examples of dynamic disasters occurring in some metal mines in China are summarized,the occurrence mechanism,monitoring and early warning methods,and prevention and control techniques of these disasters are highlighted,and some new opinions,suggestions,and solutions are proposed ***,some shortcomings in current disaster research are pointed out,and the direction of efforts to improve the prevention and control level of dynamic disasters in China’s metal mines in the future is *** integration of forward-looking key innovative theories and technologies in the abovementioned aspects will greatly enhance the cognitive level of disaster prevention and mitigation in China’s metal mining industry and achieve a significant shift from passive disaster relief to active disaster prevention.

关键词： underground metal mines dynamic disasters mechanism monitoring and early warning prevention and control

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中国地下金属矿山采动灾害的机理、预防与控制：挑战与对策（英文）

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Journal of Central South University 2024年第8期 2549-2606页

作者：李鹏蔡美峰苗胜军任奋华 gorjian mostafa 彭超 Key Laboratory of Ministry of Education for Efficient Mining and Safety of Metal Mines University of Science and Technology Beijing Department of Earth Ocean and Atmospheric Sciences University of British Columbia Deep Mining Laboratory of Shandong Gold Group Co. Ltd.

金属矿产资源在国民经济发展中发挥着不可或缺的作用。地下金属矿山采动灾害严重威胁采矿安全，是亟待解决的重大科技问题。本文系统介绍了中国金属矿山冒顶、片帮、坍塌、大变形、岩爆、地面沉陷、突水等典型动力灾害的发生现状，分析... 详细信息

金属矿产资源在国民经济发展中发挥着不可或缺的作用。地下金属矿山采动灾害严重威胁采矿安全，是亟待解决的重大科技问题。本文系统介绍了中国金属矿山冒顶、片帮、坍塌、大变形、岩爆、地面沉陷、突水等典型动力灾害的发生现状，分析了这些采动灾害的特点，总结了中国一些金属矿山发生的动力灾害实例，重点探讨了这些灾害的发生机理、监测预警方法和防控技术，同时提出了一些新的观点、建议和解决方案。此外，指出了当前灾害研究中存在的一些不足，并展望了今后提高中国金属矿山动力灾害防控水平的努力方向。上述方面前瞻性的关键创新理论和技术的集成，将大大提升中国金属矿山行业防灾减灾的认知水平，实现从被动救灾向主动防灾的重大转变。

关键词：地下金属矿山动力灾害机理监测预警防控

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